The New York State fiscal year begins April 1st and ends March 31st of the following calendar year. Each Licensee subject to assessment pursuant to this Part is billed five times for a fiscal year: four quarterly assessments (each approximately 25 percent of the anticipated annual amount) based on the estimated budget to cover the Total Operating Cost at the time of the billing, and a final assessment (or true-up), based on the actual Total Operating Cost for the fiscal year. Any Licensee that is licensed for any part of a quarter shall be assessed for the full quarter. Such amounts shall be paid within 30 days of the date of such billing.